OWINGS MILLS, Md., Jan. 2, 2013 /PRNewswire/ -- Medifast, Inc. (NYSE: MED), a leading United States manufacturer and provider of clinically proven, portion-controlled weight-loss products and programs, today announced Michael MacDonald, Chairman and Chief Executive Officer, and Meg Sheetz, President and Chief Operating Officer, will present at the 15 th Annual ICR XChange Conference on Wednesday, January 16, 2013 at 11:30 a.m. ET in Miami, FL. (Logo: http://photos.prnewswire.com/prnh/20120613/NE24271LOGO-b) The presentation will be broadcast live over the Internet hosted at the Investor Relations section of Medifast's website at www.choosemedifast.com, and will be archived online through January 30, 2013. About MedifastMedifast (NYSE: MED) is the leading easy-to-use, clinically proven, portion-controlled weight-loss program. The company sells its products and programs via four unique distribution channels: 1) the web and national call centers, 2) the Take Shape For Life personal coaching division, 3) Medifast Weight Control Centers, and 4) a national network of physicians. Medifast was founded in 1980 and is located in Owings Mills, Maryland. For more information, log onto www.MedifastNow.com. MED-F SOURCE Medifast, Inc.